import java.util.Scanner;

public class Main {
//    public static void main(String[] args) {
//        Scanner sc = new Scanner(System.in);
//        int a = sc.nextInt();
//        int b = sc.nextInt();
//        int sum = a+b;
//        System.out.println("A+B="+sum);
//    }

//    public static void main (String[] args){
//        System.out.println("********************************");
//        System.out.println("          hello wold            ");
//        System.out.println("********************************");
//    }

//    public static void main (String[] srgs){
//        int a, b, c;
//        Scanner sc = new Scanner(System.in);
//        a = sc.nextInt();
//        b = sc.nextInt();
//        c = sc.nextInt();
//        System.out.println("最大值: " + ((a>b?a:b)>c?(a>b?a:b):c));
//    }
//    要将"China"译成密码，译码规律是：用原来字母后面的第4个字母代替原来的字母．
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char arr[] = {0};
        


    }

}

